Common Seahorse vs thread rush

Hippocampus kuda compared with Juncus filiformis

Key Differences

• Common Seahorse is Vulnerable while thread rush is Least Concern.

Taxonomic Classification

Rank	Common Seahorse	thread rush
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Actinopterygii (Ray-finned Fish)	Liliopsida (単子葉植物綱)
Order	Perciformes (ペルカ目)	Poales (イネ目)
Family	Pomacentridae (Clownfish & Damselfish)	Juncaceae
Genus	Amphiprion (Clownfish)	Juncus
Species	Hippocampus kuda	Juncus filiformis

Conservation Status

Common Seahorse

VU — Vulnerable

Trend: Decreasing ↓

thread rush

LC — Least Concern

Physical Characteristics

Attribute	Common Seahorse	thread rush
Diet	Carnivore	—
Average Lifespan	5 years	—
Average Length	17 cm	—
Average Weight	10 g	—

Habitat & Geographic Range

Common Seahorse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, India, Indonesia, Japan, and Philippines. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

thread rush

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Europe (7 countries), North America (Canada, United States), and South America (Chile).

Common Seahorse

タツノオトシゴ（Hippocampus kuda）は熱帯および温帯の海域に分布する。オスが子を育てて出産するという独特な繁殖形態で知られる。